Question

the two common combustion substance are
_ and _​

Answer 1

Answer:

The two combustion products are Carbon Dioxide(CO2) And Water (H2O).

Thanks.

Hope it helps you

Answer 2

Answer:

The products of combustion reactions are compounds of oxygen, called oxides. Since methane is made up of atoms of carbon and hydrogen, the products of its combustion reaction are oxides of carbon and hydrogen. The names of these oxides are carbon dioxide and water